A cast of a Deinosuchus, which lived 83.5 million years ago in the United States and was similar to modern alligators. They ...

If Yellowstone is dangerous now, it’s a cakewalk compared to the Pleistocene age where humans had to contend with mammoths, ...

Before cities and highways, America was home to monstrous predators that dwarfed today’s wildlife. Saber-toothed cats, dire wolves, and terror birds roamed the ancient landscapes, dominating ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

Texas is home to a large and diverse range of animal species, however some of them are considered rare or infrequently ...